UCP Checker
Check a store
UCP status report

jnsauto.com.my

Verified

jnsauto.com.my publishes a valid UCP profile. The checks below list what is still worth adding.

BoutirREST, MCPHTTP 200 in 190 msrelease 2026-08-25

Changed something? Run a live check now.
UCP Score 95/100 grade A · ready for UCP agents To fix 1 nothing breaks the spec
Passed 15 checks
Checked 6 Nov 07:34 UTC · signed public requests

Findings

15 passed · 1 to fix
Discovery
OK
HTTPS
https
Profile URL uses https://
https
OK
UCP profile reachable
/.well-known/ucp
HTTP 200
/.well-known/ucp
OK
AI bot access
robots.txt
robots.txt allows /.well-known/ucp
robots.txt
UCP profile
To fix
Cryptographic message signing is not yet enabled
keys
Your UCP profile lists no public keys, so cryptographic message signing is not yet enabled for this store. HTTPS already confirms your store's identity; signing adds a further layer for checkout, payment and webhook messages.
keys
OK
Profile passes schema validation
ucp
No structural errors
ucp
OK
Protocol version present and well-formed
ucp.version
Version: 2026-08-25
ucp.version
OK
No validation warnings
ucp
No outstanding validation issues
ucp
Services
OK
Capabilities declared
capabilities
3 of 6 capability families detected: Checkout, Cart Management, Catalog. A family counts once however many namespaces or extensions declare it.
capabilities
OK
Checkout capability
shopping.checkout
dev.ucp.shopping.checkout detected
shopping.checkout
OK
Transports declared
services
REST, MCP
services
OK
Payment handlers
payment_handlers
1 handler registered
payment_handlers
Outside UCP
OK
llms.txt
/llms.txt
Found at /llms.txt
/llms.txt
OK
sitemap.xml
/sitemap.xml
Found at /sitemap.xml
/sitemap.xml
OK
Open Graph tags
og: meta
og:title and og:type/url present
og: meta
OK
Organization schema (JSON-LD)
JSON-LD
Organization-typed JSON-LD detected
JSON-LD
OK
Mobile viewport meta
meta viewport
<meta name="viewport"> present
meta viewport
Check trace

How jnsauto.com.my answered our check

The five ways an agent can reach this store, what each one met, and every request we made.

1 of 5 open
6 requests · 3.28 s at the store · signed requests
  1. 01Hosting ↗
    Finding the profile
    Open
  2. 02Identity Linking ↗
    Acting for the buyer
    Not offered
  3. 03Embedded ↗
    In the buyer's browser
    Not offered
  4. 04Services ↗
    Calling its services
    Declared
  5. 05continue_url ↗
    Sending the buyer to the website
    Not declared
UCP CheckerUCPCheckerBot/1.0
  • Signed · Web Bot Auth
  • key K_DlV2MybP…
How to verify us ↗
  • Finding the profile/.well-known/ucp · 200
  • read from profileActing for the buyernot declared
  • read from profileIn the buyer's browsernot declared
  • not calledCalling its servicesREST, MCP · declared · 12 tools
  • read from profileSending to the websitenot declared
  • Outside UCPhomepage · /llms.txt
Open
01 · Finding the profile3 requests
Served at /.well-known/ucp with 200 OK, 3.3 KB. robots.txt allows /.well-known/ucp.
Not offered
02 · Acting for the buyerread from profile
The profile doesn't declare identity linking, so an agent can't act for a signed-in buyer.
Not offered
03 · In the buyer's browserread from profile
No Embedded service is declared.
Declared
04 · Calling its servicesnot called
The REST service is declared; not called by this check. The MCP service is declared; not called by this check.
Not declared
05 · Sending the buyer to the websiteread from profile
No permalink declared. Whether error replies carry a continue_url shows only in an agent run.
01 · Finding the profile3 requests · 3 × 200 OK2,375 ms
GET /robots.txt 200 OK 514 B · text/plain 79 ms

Answered.

  • DNS 0 ms
  • Connect 8 ms
  • TLS 60 ms
  • Wait 10 ms
  • Download 0 ms
URL
https://jnsauto.com.my/robots.txt
Server
34.111.225.228
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
text/plain
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
Google Frontend
Got content-type
text/plain
Got cache-control
public,max-age=86400
GET /.well-known/ucp 200 OK 3.3 KB · application/json 239 ms

Answered.

  • DNS 0 ms
  • Connect 9 ms
  • TLS 78 ms
  • Wait 152 ms
  • Download 0 ms
URL
https://jnsauto.com.my/.well-known/ucp
Server
34.111.225.228
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
Google Frontend
Got content-type
application/json
Got cache-control
public, max-age=3600
GET www.jnsauto.com.my/.well-known/ucp 200 OK 3.3 KB · application/json 190 ms

Answered.

  • DNS 0 ms
  • Connect 6 ms
  • TLS 61 ms
  • Wait 121 ms
  • Download 0 ms
URL
https://www.jnsauto.com.my/.well-known/ucp
Server
34.111.225.228
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
Google Frontend
Got content-type
application/json
Got cache-control
public, max-age=3600
Outside UCP · its other files3 requests · 3 × 200 OK890 ms
GET / 200 OK 247.2 KB · text/html 218 ms

Answered.

  • DNS 0 ms
  • Connect 7 ms
  • TLS 171 ms
  • Wait 12 ms
  • Download 27 ms
URL
https://jnsauto.com.my/
Server
34.111.225.228
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
Google Frontend
Got content-type
text/html; charset=utf-8
Got cache-control
public, max-age=6, stale-while-revalidate=86400
GET /llms.txt 200 OK 2.1 KB · text/plain 274 ms

Answered.

  • DNS 0 ms
  • Connect 61 ms
  • TLS 119 ms
  • Wait 93 ms
  • Download 0 ms
URL
https://jnsauto.com.my/llms.txt
Server
34.111.225.228
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
text/plain
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
Google Frontend
Got content-type
text/plain; charset=utf-8
Got cache-control
public,max-age=3600
GET /sitemap.xml 200 OK 27.0 KB · text/xml 890 ms

Answered.

  • DNS 0 ms
  • Connect 116 ms
  • TLS 66 ms
  • Wait 700 ms
  • Download 6 ms
URL
https://jnsauto.com.my/sitemap.xml
Server
34.111.225.228
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/xml,text/xml
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
Google Frontend
Got content-type
text/xml; charset=utf-8
Got cache-control
no-store, no-cache, must-revalidate, max-age=0, private
  1. 01 PROFILEValid against the 2026-08-25 schema; keys published

How agents reach this store. jnsauto.com.my's UCP profile (2026-08-25) declares two transports for dev.ucp.shopping: REST and MCP. One panel per transport, in the spec's words.

Capabilities

8 declared · all at 2026-08-25
Cart dev.ucp.shopping.cart
RESTMCP
Checkout dev.ucp.shopping.checkout
RESTMCP
Discountextension dev.ucp.shopping.discount
RESTMCP
Fulfillmentextension dev.ucp.shopping.fulfillment
RESTMCP
Location Lookup dev.ucp.common.location.lookup
RESTMCP
Location Search dev.ucp.common.location.search
RESTMCP
Catalog Lookup dev.ucp.shopping.catalog.lookup
RESTMCP
Catalog Search dev.ucp.shopping.catalog.search
RESTMCP

Payment handlers

1 declared
Paylink dev.boutir.payment.paylink

REST

14 operations the spec defines · 0 called
Endpointhttps://jnsauto.com.my/apis/ucp

The operations the UCP spec defines for each capability in the profile, appended to the endpoint. REST has no list call, so we can only say what our check called.

Catalog searchdev.ucp.shopping.catalog.search
POST/catalog/searchDeclared, not called
Catalog lookupdev.ucp.shopping.catalog.lookup
Not part of our public check.
POST/catalog/lookupDeclared, not called
POST/catalog/productDeclared, not called
Cartdev.ucp.shopping.cart
We don't call these: they change state.
POST/cartsDeclared, not called
GET/carts/{id}Declared, not called
PUT/carts/{id}Declared, not called
POST/carts/{id}/cancelDeclared, not called
Checkoutdev.ucp.shopping.checkout
We don't call these: they change state.
POST/checkout-sessionsDeclared, not called
GET/checkout-sessions/{id}Declared, not called
PUT/checkout-sessions/{id}Declared, not called
POST/checkout-sessions/{id}/completeDeclared, not called
POST/checkout-sessions/{id}/cancelDeclared, not called
Location searchdev.ucp.common.location.search
POST/locations/searchDeclared, not called
Location lookupdev.ucp.common.location.lookup
Not part of our public check.
POST/locations/lookupDeclared, not called
Also declared, with no operations of their own
Discountdev.ucp.shopping.discount
Extends cart and checkout. No operations of its own.
Fulfillmentdev.ucp.shopping.fulfillment
Extends catalog search and catalog lookup and checkout. No operations of its own.

MCP

12 listed · 12 of 14 the spec defines
Endpointhttps://jnsauto.com.my/apis/ucp/mcp

The tools the UCP spec defines for each capability in the profile, checked against what the store's MCP service listed when we asked (tools/list). Struck through: defined for this capability, not listed.

Catalog searchdev.ucp.shopping.catalog.search
search_catalog
Catalog lookupdev.ucp.shopping.catalog.lookup
lookup_catalogget_product
Cartdev.ucp.shopping.cart
create_cartget_cartupdate_cartcancel_cart
Checkoutdev.ucp.shopping.checkout
create_checkoutget_checkoutupdate_checkoutcomplete_checkoutcancel_checkout
Location searchdev.ucp.common.location.search
search_locations
Location lookupdev.ucp.common.location.lookup
lookup_locations
Also declared, with no operations of their own
Discountdev.ucp.shopping.discount
Extends cart and checkout. No operations of its own.
Fulfillmentdev.ucp.shopping.fulfillment
Extends catalog search and catalog lookup and checkout. No operations of its own.
UCP profile as served 3.3 KB as served · 130 lines 
{
    "ucp": {
        "capabilities": {
            "dev.ucp.common.location.lookup": [
                {
                    "schema": "https://ucp.dev/2026-08-25/schemas/common/location_lookup.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/common/location/lookup/",
                    "version": "2026-08-25"
                }
            ],
            "dev.ucp.common.location.search": [
                {
                    "schema": "https://ucp.dev/2026-08-25/schemas/common/location_search.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/common/location/search/",
                    "version": "2026-08-25"
                }
            ],
            "dev.ucp.shopping.cart": [
                {
                    "schema": "https://ucp.dev/2026-08-25/schemas/shopping/cart.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/cart",
                    "version": "2026-08-25"
                }
            ],
            "dev.ucp.shopping.catalog.lookup": [
                {
                    "schema": "https://ucp.dev/2026-08-25/schemas/shopping/catalog_lookup.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/catalog/lookup/",
                    "version": "2026-08-25"
                }
            ],
            "dev.ucp.shopping.catalog.search": [
                {
                    "schema": "https://ucp.dev/2026-08-25/schemas/shopping/catalog_search.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/catalog/search/",
                    "version": "2026-08-25"
                }
            ],
            "dev.ucp.shopping.checkout": [
                {
                    "schema": "https://ucp.dev/2026-08-25/schemas/shopping/checkout.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/checkout",
                    "version": "2026-08-25"
                }
            ],
            "dev.ucp.shopping.discount": [
                {
                    "extends": [
                        "dev.ucp.shopping.cart",
                        "dev.ucp.shopping.checkout"
                    ],
                    "schema": "https://ucp.dev/2026-08-25/schemas/shopping/discount.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/discount",
                    "version": "2026-08-25"
                }
            ],
            "dev.ucp.shopping.fulfillment": [
                {
                    "extends": [
                        "dev.ucp.shopping.catalog.search",
                        "dev.ucp.shopping.catalog.lookup",
                        "dev.ucp.shopping.checkout"
                    ],
                    "schema": "https://ucp.dev/2026-08-25/schemas/shopping/fulfillment.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/shopping/extensions/fulfillment/",
                    "version": "2026-08-25"
                }
            ]
        },
        "keys": [],
        "payment_handlers": {
            "dev.boutir.payment.paylink": [
                {
                    "available_instruments": [
                        {
                            "type": "paylink"
                        }
                    ],
                    "config": {
                        "description": "Create an unpaid payment link for the order. The shopper can pay through the returned payment URL."
                    },
                    "id": "dev.boutir.payment.paylink",
                    "schema": "https://jnsauto.com.my/.well-known/ucp/payment-handler/schema.json",
                    "spec": "https://jnsauto.com.my/.well-known/ucp/payment-handler/spec",
                    "version": "2026-08-25"
                }
            ]
        },
        "services": {
            "dev.ucp.common": [
                {
                    "endpoint": "https://jnsauto.com.my/apis/ucp",
                    "schema": "https://ucp.dev/2026-08-25/services/common/rest.openapi.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/overview",
                    "transport": "rest",
                    "version": "2026-08-25"
                },
                {
                    "endpoint": "https://jnsauto.com.my/apis/ucp/mcp",
                    "schema": "https://ucp.dev/2026-08-25/services/common/mcp.openrpc.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/overview",
                    "transport": "mcp",
                    "version": "2026-08-25"
                }
            ],
            "dev.ucp.shopping": [
                {
                    "endpoint": "https://jnsauto.com.my/apis/ucp",
                    "schema": "https://ucp.dev/2026-08-25/services/shopping/rest.openapi.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/overview",
                    "transport": "rest",
                    "version": "2026-08-25"
                },
                {
                    "endpoint": "https://jnsauto.com.my/apis/ucp/mcp",
                    "schema": "https://ucp.dev/2026-08-25/services/shopping/mcp.openrpc.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/overview",
                    "transport": "mcp",
                    "version": "2026-08-25"
                }
            ]
        },
        "status": "success",
        "supported_versions": {
            "2026-04-08": "https://jnsauto.com.my/.well-known/ucp/2026-04-08",
            "2026-08-25": "https://jnsauto.com.my/.well-known/ucp/2026-08-25"
        },
        "version": "2026-08-25"
    }
}
What goes in a UCP profile →Check your JSON in the Validator →Guides by store platform →
/llms.txt as served 2.1 KB · mentions UCP 
# llms.txt
# Public brief for AI agents about J.N.S AUTO PARTS ONLINE STORE

# About
Your Reliable Auto Parts Partner Since 2000

At J.N.S. Auto Parts Sdn. Bhd., we believe every journey begins with parts you can trust.

Based in Pasir Gudang, Johor, we supply automotive spare parts to workshops, automotive businesses and individual car owners. Since 2000, our business has been guided by three commitments:
- Authentic products
- Strict quality control 
- Fair Pricing.

A Wide Range of Parts for Your Vehicle

Our range covers Malaysian, Japanese, Korean, European, American and Chinese vehicles, with products across engine components, braking systems, suspension and steering, filters, electrical parts, cooling systems, drivetrain and body parts.

We supply genuine vehicle-manufacturer parts and quality aftermarket products, with the brand and product type identified to help you make an informed choice.

Helping You Find the Right Parts

Choosing the right part involves more than matching a vehicle model. Our team can assist with identification using your vehicle’s model, year, VIN/chassis number and existing part number, where available.

Whether you are maintaining your own car or sourcing parts for a workshop, we aim to make the process clearer and more convenient.

In-Store Experience, Online Convenience

Our online store brings the experience of our established physical business to more customers. Browse our range online, contact us for assistance, or arrange collection from our Pasir Gudang store.

Authentic Parts. Reliable Service. Fair Value.

Driven by Quality. Trusted for Every Journey.

# Product Categories
- Air Filters
- Bonnet Absorber
- Brake Parts
- Chemical
- Cooling System
- Electric Parts
- Engine Parts
- Engine Parts > Sensor
- Fuel Filters
- Gasket & Seals
- Lubrication
- Oil Filters
- Power Train / Transmission
- Spark Plug
- Suspension
- Transmission Filters

# Policies
- Return policy: https://jnsauto.com.my/returnpolicy
- Terms: https://jnsauto.com.my/terms
- Privacy: https://jnsauto.com.my/privacy

# UCP
- Discovery profile: https://jnsauto.com.my/.well-known/ucp
Is jnsauto.com.my your store?
Claim it with one DNS record.
Claim this store Send an agent to shop here ↗

Status badge

Markdown · 
[![UCP Status](https://ucpchecker.com/badge/jnsauto.com.my)](https://ucpchecker.com/status/jnsauto.com.my)

Questions

Can UCP agents buy from jnsauto.com.my?
Through its REST and MCP services, an agent can search the catalogue, build a cart and start a checkout. This is what the store declares and what our check reached; an observed agent run shows how far an agent actually gets.
Is jnsauto.com.my ready for UCP agents?
jnsauto.com.my publishes a valid UCP profile and scores 95/100 (grade A). 1 thing to fix: cryptographic message signing is not yet enabled.
What is a UCP profile?
The JSON file a store publishes at /.well-known/ucp to tell UCP agents which services it offers, how to call them and how it takes payment. The spec calls it the business profile. jnsauto.com.my's is 3.3 KB, written for UCP 2026-08-25. What goes in a UCP profile.
How was jnsauto.com.my checked?
With public requests on 6 Nov 2026: we read /.well-known/ucp and robots.txt, validated the profile against UCP 2026-08-25, checked that its spec and schema links resolve. No sign-in and no purchase. How we check.